Wireless internet access using LED, Software tool for Disaster areas


Wireless internet data from LED Bulbs

A German physicist Mr.Harald Hass  has come up with a promising new technology named D-light for accessing internet wirelessly using Led bulb

By flickering the light from a single LED, he can transmit far more data than a cellular tower — and do it in a way that’s more efficient, secure and widespread.

It has new applications in hospitals, airplanes, military, and even underwater. Click here to watch his demo at ted.

http://www.ted.com/talks/harald_haas_wireless_data_from_every_light_bulb.html

The findings are already in practice in different forms in many research labs across the globe. Here is a link to what others have found about using the flickering light bulb for transmitting data wirelessly.

http://www.myfoxtwincities.com/dpp/news/led-lights-internet-lvx-dec-27-2010

Wireless communication when everything breaks down during a disaster.

During a disaster relief agencies depend on satellite phones for communications. But they are expensive to buy and use. Here is a company that came up with a cheaper alternative software code that can be used to communicate information from a disaster zone.

http://thelifenetwork.org/

You need to download the software code(free to download) to your laptop or phone and can use in the absence of vital internet access. For extra service like texting you might have to pay a small fees for use. Still it is considered way cheaper than using satellite phones.

The company partnered with the Tata Institute of Social Sciences in India, which will help deploy the service in communications-poor areas that have been hit hard by recent cyclones.

Bladeless table fans

Dyson an American company found a way to create a fan that does not have blades and called air multiplier. Dyson’s air multiplier blows a single sheet of air. The slope of wing creates negative pressure around the moving air sheet–thus sucking more air along for the ride. Thus while blowing little air the fan uses less current and gives out more air. Check more here

http://www.youtube.com/watch?v=6A3IM06xgr0

Jobs if you write code here http://techcrunch.com/2013/03/08/programming-challenges-benefit-job-seekers-and-employers/ 

 

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